Mumbai: Police on Tuesday tightened the security around Mumbai’s Taj hotel and Taj Lands End hotel after threat calls from a person claiming to be a member of Pakistan-based Lashkar-e-Taiba terror outfit. Yhe police official said that they are trying to ascertain from where were these calls made. Immediately after receiving the calls, adequate Police have been deployment in the area around those two hotels. All entry and exit restricted on the roads leading to the hotels.The official said Mumbai police are on high alert after Monday’s Karachi exchange terror attack and as part of the enhanced anti-terror measures, security outside the hotels and other vital installations have been increased. Mumbai Police are on high alert and an adequate number of police personnel, including Quick Response Teams posted in the Taj hotels area.