This frame grab taken from AFPTV footage shows Hezbollah's leader Naim Qassem delivering a speech from an undisclosed location. AFP
"A ceasefire means a complete cessation of all hostilities. Because we do not trust this enemy, the resistance fighters will remain in the field with their hands on the trigger and will respond to violations accordingly," Qassem said in a statement read out on TV.
"There is no ceasefire from the side of the resistance only; it must be from both sides."
He also offered his first reaction since the ceasefire went into force at midnight on Thursday (2100 GMT), with its terms shared by the US State Department.
Qassem described it as "an insult to our country and our homeland, Lebanon, that America dictates its text and speaks on behalf of the Lebanese government".
The truce came days after Lebanon and Israel’s ambassadors to the United States met in Washington ahead of planned direct negotiations between the two countries, the first in decades.
Despite the ceasefire entering into effect at midnight local time on 16 April, Israeli forces continued to violate it, carrying out detonations in several southern towns and continuing attacks in southern Lebanon.
Earlier on Saturday, Israeli forces carried out detonations in several towns, including Khiam, Bint Jbeil, Aitaroun, Rshaf, and Chamaa.
Less than 24 hours after the ceasefire took effect, an Israeli drone strike on Friday targeting a motorcycle and a car on the Kounine–Beit Yahoun road in southern Lebanon killed one person and wounded three others, including a Syrian national.
"Enough of subjecting Lebanon to these humiliations by negotiating directly with the Israeli enemy and listening to its dictates, and by the shameful spectacle in Washington," Qassem said.
Tehran-backed Hezbollah said it had drawn Lebanon into the Middle East conflict on 2 March by attacking Israel in response to the killing of Iran’s supreme leader, prompting waves of Israeli airstrikes and a ground invasion in the south.
Qassem expressed "gratitude" to Iran for its support and assistance, saying the country kept the Strait of Hormuz closed until a truce was reached in Lebanon.
Iran’s military said the Strait of Hormuz was closed again on Saturday, after a brief reopening, in response to a US blockade of its ports.
The Lebanese government has taken several unprecedented steps against Hezbollah over the past year, including vowing to disarm it and outlaw its military activities.
Hezbollah has rejected these moves, but Qassem said his group was "open to the fullest cooperation with the Lebanese authorities, embarking on a new chapter and utilising our strengths within a national security strategy".
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